One vertex per element, one color per generator, with an edge from x to x·s.
(2,7)(3,10)(9,13)(11,16)(17,18)(19,25)(20,22)(21,24)(23,27)(26,32)(28,30)(29,31)(33,34,39,44)(35,42,37,40)(36,46,47,41)(38,43,45,48)(1,2,6,7)(3,8,10,4)(5,13,14,9)(11,12,16,15)(17,19,22,27)(18,23,20,25)(21,29,30,26)(24,32,28,31)(33,35,39,37)(34,40,44,42)(36,38,47,45)(41,43,46,48)(3,10)(4,8)(11,16)(12,15)(18,20)(21,30)(23,25)(26,29)(33,36,39,47)(34,41,44,46)(35,45,37,38)(40,48,42,43)(1,3)(2,8)(4,7)(5,11)(6,10)(9,15)(12,13)(14,16)(17,20,22,18)(19,25,27,23)(21,28,30,24)(26,32,29,31)(33,37,39,35)(34,42,44,40)(36,38,47,45)(41,43,46,48)(1,4,6,8)(2,3,7,10)(5,12,14,15)(9,11,13,16)(17,21)(18,24)(19,26)(20,28)(22,30)(23,31)(25,32)(27,29)(33,38)(34,43)(35,36)(37,47)(39,45)(40,41)(42,46)(44,48)(1,5,6,14)(2,9,7,13)(3,11,10,16)(4,12,8,15)(17,19)(18,23)(20,25)(21,26)(22,27)(24,31)(28,32)(29,30)(33,34)(35,40)(36,41)(37,42)(38,43)(39,44)(45,48)(46,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.